Science 9 LONG QUIZ NO1010101010101.pptx

Science 9

1. LONG QUIZ NO. 1

2. 1. What is the primary function of the respiratory system? A. To exhale carbon dioxide only. B. To deliver nutrients to the body. C. To supply oxygen to all parts of the body. D. To transmit messages to our brain. 2. At what structures in the lung does the exchange of oxygen and carbon dioxide take place? A. Bronchi B. Alveoli C. Bronchioles D.Trachea 3 . Which of the following statements describe the function of the diaphragm? A. It contracts and relaxes during respiration to change the volume of the chest cavity. B. It serves as the passage of air into the lungs. C. It carries blood throughout the body. D. It is the site of gas exchange.

3. 4. All of the following are transported in the entire body EXCEPT for ________ Gas B. Nutrients C. Blood D. Glands 5. Which type of blood vessels carries blood away from the heart? A. Veins B. Arteries C. Capillaries D. All of the above